Frequently Asked Questions

Why is an oil change important for a 2018 Mercedes-Benz CLS-Class?

• Preserves engine lubrication and reduces wear on high-performance components, prolonging engine life.
• Maintains peak performance and fuel efficiency by removing contaminants and restoring proper oil viscosity.
• Prevents overheating and protects turbochargers and bearings on forced-induction engines.
• Helps retain resale value by keeping a documented maintenance history with certified service entries.
• Repairs and services covered under warranty must be performed at a certified dealership to remain eligible.

How long does a 2018 Mercedes-Benz CLS-Class oil change take?

• Most standard oil changes at our dealership are completed in about 60 minutes, depending on shop volume and vehicle condition.
• A full service that includes multi-point inspection, fluid top-offs and any additional recommended maintenance can take longer—typically 90–120 minutes.
• If warranty work or additional repairs are identified, we will contact you with an estimate and timeline before proceeding.
• Our service advisors provide clear arrival and completion times and offer shuttle or loaner options to minimize your downtime.

How much does an oil change cost for a 2018 Mercedes-Benz CLS-Class?

• Costs vary based on oil type and services performed; typical dealer oil changes for this vehicle range broadly to reflect genuine parts and factory-grade oil.
• Choosing our dealership often costs less than independent shops when you account for service accuracy, fewer repeat visits, and factory-trained technicians—delivering immediate and long-term savings.
• We use Mercedes-Benz specification oils and genuine filters which reduce wear and extend service intervals, saving you money over the vehicle life.
• Any repairs covered under warranty must be done at a certified dealership to preserve coverage; our certified work avoids unexpected out-of-pocket expenses later.
• Ask about current service specials and transparent estimates before work begins; we’ll confirm total cost up front.

How often should you get an oil change for a 2018 Mercedes-Benz CLS-Class?

• Follow your vehicle’s onboard maintenance system and owner’s manual—Mercedes-Benz uses condition-based monitoring for optimized intervals.
• In general, many owners schedule service every 10,000 miles or 12 months, whichever comes first, but driving conditions and usage can shorten that interval.
• Regular checks and prompt service help detect issues early and maintain warranty compliance—repairs covered under warranty must be performed at a certified dealership.
• Our service team will recommend a tailored schedule based on your driving habits and record each visit in your service history for resale value and warranty clarity.

What type of oil does a 2018 Mercedes-Benz CLS-Class take?

• This vehicle requires a premium full synthetic motor oil that meets Mercedes-Benz specifications (for example MB 229.5/229.51 where applicable).
• We use factory-recommended oils and genuine filters to ensure proper protection for the V8 twin-turbo engine and to maintain performance and fuel economy.
• Using oils that meet OEM specs prevents premature wear and helps preserve long-term value—warranty-covered repairs must be performed at a certified dealership.
• Our technicians verify the correct oil specification for your vehicle and document it in your maintenance records.

How much oil does a 2018 Mercedes-Benz CLS-Class need?

• Oil capacity varies slightly by engine and whether the oil filter is changed; for the 5.5L V8 it is typically in the approximate range of 8.5–9.5 liters (around 9–10 quarts) including filter change.
• Exact capacity is confirmed by our technicians at service to ensure accurate fill and proper oil pressure.
• Overfilling or underfilling can harm turbocharged engines; certified dealership service ensures proper measurement and handling.
• We log the exact quantity used and the oil specification in your vehicle’s service record for warranty and resale documentation.